Where does “wisperen” come from?

wisperen (Middle Dutch) comes from Old Dutch *wisperon, from Proto-West Germanic *hwisprōn, from Proto-Germanic hwisprōną, from Proto-Indo-European ḱweys- — to hiss, whistle, whisper.

Ancestry of “wisperen”, step by step

StepLanguageWordMeaning
1Old Dutch*wisperon—
2Proto-West Germanic*hwisprōn—
3Proto-Germanichwisprōnąto whistle, hiss, whisper
4Proto-Indo-Europeanḱweys-to hiss, whistle, whisper

Words derived from “wisperen”

Every word from Proto-Indo-European ḱweys- →Every word from Proto-Germanic hwisprōną →Every word from Proto-West Germanic *hwisprōn →